Grand Theft Auto 4: The Ballad of Gay Tony PS3 Cheats

Cheat Codes:
Press Up to display the cellphone during game play. Press Up again to access the keypad. In addition to the codes available in the parent game, you can enter one of the following codes to activate the corresponding cheat function in the expansion. Note: Once a code has been entered correctly, a new "Cheats" menu option will be available on your phone, below "Options", where you can access the cheats without having to enter the phone number again. Do not save the game after enabling a code to avoid unforeseen problems. Note: Enabling some codes may prevent achievements from becoming unlocked.

Parachute:
Complete all base jumps to to unlock a parachute at your apartment.
Golden Buzzard:
Complete the game to unlock a Golden Buzzard at Yusef's heliport near the Booth Tunnel.

Golden Super Drop Diamond:
After progressing through Yusuf's missions, you will eventually receive his golden Super Drop Diamond as a reward. It will always be available when you need it, and upon entering and exiting the vehicle you will have the Golden SMG in your inventory.

Get any vehicle from any mission:
During transport missions, there will be some cars, boats, or planes that can only be used in that mission. Just kill the person that is with you in the vehicle and it will be yours to keep.
Avoid paying tolls:
When approaching a toll booth, if there is a car in front of ready to pay, nudge the back of it to make it smash the barrier. You can then go past the toll booth without paying and attaining a wanted level.